001/*
002 *  Copyright 2022 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.cms.model;
017
018import java.util.Collection;
019import java.util.Collections;
020import java.util.Map;
021
022import org.apache.avalon.framework.service.ServiceException;
023import org.xml.sax.ContentHandler;
024import org.xml.sax.SAXException;
025
026import org.ametys.cms.contenttype.ContentType;
027import org.ametys.cms.contenttype.ContentTypeExtensionPoint;
028import org.ametys.cms.contenttype.ContentTypesHelper;
029import org.ametys.cms.data.ContentValue;
030import org.ametys.core.util.XMLUtils;
031import org.ametys.runtime.model.DefaultElementDefinition;
032import org.ametys.runtime.model.DefinitionContext;
033import org.ametys.runtime.model.ModelItem;
034
035/**
036 * Default implementation for element definition of type Content
037 */
038public class DefaultContentElementDefinition extends DefaultElementDefinition<ContentValue> implements ContentElementDefinition
039{
040    private ContentTypesHelper _contentTypesHelper;
041    private ContentTypeExtensionPoint _contentTypeExtensionPoint;
042    
043    private String _contentTypeId;
044    
045    public String getContentTypeId()
046    {
047        return _contentTypeId;
048    }
049    
050    public void setContentTypeId(String contentTypeId)
051    {
052        _contentTypeId = contentTypeId;
053    }
054    
055    public Collection< ? extends ModelItem> getModelItems()
056    {
057        if (_contentTypeId != null && _getContentTypeExtensionPoint().hasExtension(_contentTypeId))
058        {
059            ContentType contentType = _getContentTypeExtensionPoint().getExtension(_contentTypeId);
060            return contentType.getModelItems();
061        }
062        else
063        {
064            return Collections.singleton(_getContentTypesHelper().getTitleAttributeDefinition());
065        }
066    }
067    
068    @Override
069    protected Map<String, Object> _toJSON(DefinitionContext context)
070    {
071        Map<String, Object> result = super._toJSON(context);
072        result.put("contentType", _contentTypeId);
073        result.put("canCreate", _getContentTypesHelper().hasRight(_contentTypeId));
074        return result;
075    }
076    
077    @Override
078    public void toSAX(ContentHandler contentHandler, DefinitionContext context) throws SAXException
079    {
080        super.toSAX(contentHandler, context);
081        XMLUtils.createElementIfNotNull(contentHandler, "contentType", _contentTypeId);
082    }
083    
084    /**
085     * Retrieves the {@link ContentTypesHelper}
086     * @return the {@link ContentTypesHelper}
087     */
088    protected ContentTypesHelper _getContentTypesHelper()
089    {
090        if (_contentTypesHelper == null)
091        {
092            try
093            {
094                _contentTypesHelper = (ContentTypesHelper) __serviceManager.lookup(ContentTypesHelper.ROLE);
095            }
096            catch (ServiceException e)
097            {
098                throw new RuntimeException("Unable to lookup after the content types helper component", e);
099            }
100        }
101        
102        return _contentTypesHelper;
103    }
104    
105    /**
106     * Retrieves the {@link ContentTypeExtensionPoint} 
107     * @return the {@link ContentTypeExtensionPoint}
108     */
109    protected ContentTypeExtensionPoint _getContentTypeExtensionPoint()
110    {
111        if (_contentTypeExtensionPoint == null)
112        {
113            try
114            {
115                _contentTypeExtensionPoint = (ContentTypeExtensionPoint) __serviceManager.lookup(ContentTypeExtensionPoint.ROLE);
116            }
117            catch (ServiceException e)
118            {
119                throw new RuntimeException("Unable to lookup after the content type extension point", e);
120            }
121        }
122        
123        return _contentTypeExtensionPoint;
124    }
125}